module ApplicationHelper
    def link_to_remove_fields(name, f)
      f.hidden_field(:_destroy) + link_to_function(name, "remove_fields(this)")
    end

    def link_to_add_fields(name, f, association)
      new_object = f.object.class.reflect_on_association(association).klass.new
      fields = f.fields_for(association, new_object, :child_index => "new_#{association}") do |builder|
        render(association.to_s.singularize + "_fields", :f => builder)
      end

      link_to_function(name, "add_fields(this, \"#{association}\", \"#{escape_javascript(fields)}\")", :class => "gray-btn")
    end

    def cp(path)
      "current" if current_page?(path)
    end
end
